Cementitious gypsum-containing compositions and materials made t

Details Cementitious gypsum-containing compositions and materials made t Cementitious gypsum-containing compositions and materials made t

1996-09-13

1997-11-11

Marcheschi, Michael

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106672, 106676, 106679, 106680, 106705, 106715, 106716, 106724, 106732, 106737, 106778, 106788, 106819, 106823, C04B 704, C04B 1128

Patent

active

056859031

ABSTRACT:
A cementitious composition useful for water-resistant construction materials, including floor underlayments, backing boards, self-leveling floor materials, road patching materials, fiberboard, fire-proofing sprays, and fire-stopping materials includes about 20 wt. % to about 75 wt. % calcium sulfate beta-hemihydrate, about 10 wt. % to about 50 wt. % Portland cement, about 4 wt. % to about 20 wt. % silica fume and about 1 wt. % to about 50 wt. % pozzolanic aggregate. The Portland cement component may also be a blend of Portland cement with fly ash and/or ground blast slag.

REFERENCES:
patent: 3628973 (1971-12-01), Greening et al.
patent: 3839269 (1974-10-01), Comegys
patent: 4159912 (1979-07-01), Jorgenson
patent: 4350533 (1982-09-01), Galer et al.
patent: 4494990 (1985-01-01), Harris
patent: 5075358 (1991-12-01), Riley et al.
patent: 5154874 (1992-10-01), Koslowski
patent: 5227100 (1993-07-01), Koslowski et al.
patent: 5320677 (1994-06-01), Baig
patent: 5346550 (1994-09-01), Kunzi et al.
patent: 5424099 (1995-06-01), Stewart et al.
patent: 5439518 (1995-08-01), Francis et al.
Kosmatra et al. "Design & Control of Concrete Mixtures" PCA, Thirteenth Edition, 1988, pp. 15,16,64,65 (no month).
Bentur et al., "Gypsum of Improved Performance Using Blends with Portland Cement & Silica Fume", pp. 1-6 (paper from the Israel Institute of Technology, Haifa, Israel; received by mail on Jul. 12, 1993).
International Search Report Mailed Sep. 14, 1995 in PCT/US95/06543.

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